<script lang="ts" name="TopCategory" setup>
import GoodsItem from './components/goods-item.vue'
import useStore from '@/store';
import { storeToRefs } from 'pinia'
import { ref, watch, watchEffect } from 'vue';
import { useRoute } from 'vue-router'
const { category, home } = useStore()
// 解构 - storeToRefs()
const { topCategory } = storeToRefs(category)

const route = useRoute()
home.getBannerList() // 获取轮播图数据
// 获取一级/顶级分类
// 监听路由的变化 route.params.id
// watch(() => route.params.id, (value) => {
//   // console.log('路由的id发生了变化....', value);
//   if (route.fullPath === `/category/${route.params.id}`) {
//     // 注意点: 只有是处在一级分类路由, 才会去发送请求
//     category.getTopCategory(route.params.id as string)
//   }
// }, {
//   immediate: true  // 立即执行一次
// })
// const count = ref(1)
// watch(count, (value) => {
//   console.log('最新值-- count', value);
// })
// 1. 一进入页面, 就会执行一次
watchEffect(() => {
  // 2. 内部只要是用到什么数据, 就会监听什么数据....
  // 3. 只要监听的数据发生了变化, 就会执行内部的代码...
  // console.log('watchEffect', count.value);
  if (route.fullPath === `/category/${route.params.id}`) {
    // 注意点: 只有是处在一级分类路由, 才会去发送请求
    category.getTopCategory(route.params.id as string)
  }
})

</script>
<template>
  <div class="top-category">
    <div class="container">
      <!-- 面包屑组件 -->
      <XtxBread separator="/">
        <XtxBreadItem to="/">首页</XtxBreadItem>
        <!-- <XtxBreadItem>{{ category.topCategory.name }}</XtxBreadItem> -->
        <XtxBreadItem>{{ topCategory.name }}</XtxBreadItem>
      </XtxBread>
      <!-- 轮播图组件 -->
      <XtxCarousel :slides="home.bannerList" auto-play :duration="3000" style="height: 500px">
      </XtxCarousel>
      <!-- 所有二级分类 -->
      <div class="sub-list">
        <h3>全部分类</h3>
        <ul>
          <!-- <li v-for="item in category.topCategory.children" :key="item.id"> -->
          <li v-for="item in topCategory.children" :key="item.id">
            <a href="javascript:;">
              <img :src="item.picture">
              <p>{{ item.name }}</p>
            </a>
          </li>
        </ul>
      </div>
      <!-- 分类关联商品 -->
      <div class="ref-goods" v-for="item in topCategory.children" :key="item.id">
        <div class="head">
          <h3>- {{ item.name }} -</h3>
          <p class="tag">温暖柔软，品质之选</p>
          <XtxMore />
        </div>
        <div class="body">
          <GoodsItem
            v-for="goods in item.goods"
            :key="goods.id"
            :goods="goods"
            />
        </div>
      </div>
    </div>
  </div>
</template>



<style scoped lang="less">
 .ref-goods {
    background-color: #fff;
    margin-top: 20px;
    position: relative;
    .head {
      .xtx-more {
        position: absolute;
        top: 20px;
        right: 20px;
      }
      .tag {
        text-align: center;
        color: #999;
        font-size: 20px;
        position: relative;
        top: -20px;
      }
    }
    .body {
      display: flex;
      justify-content: flex-start;
      flex-wrap: wrap;
      padding: 0 65px 30px;
    }
  }
.top-category {
  h3 {
    font-size: 28px;
    color: #666;
    font-weight: normal;
    text-align: center;
    line-height: 100px;
  }

  .sub-list {
    margin-top: 20px;
    background-color: #fff;

    ul {
      display: flex;
      padding: 0 32px;
      flex-wrap: wrap;

      li {
        width: 168px;
        height: 160px;

        a {
          text-align: center;
          display: block;
          font-size: 16px;

          img {
            width: 100px;
            height: 100px;
          }

          p {
            line-height: 40px;
          }

          &:hover {
            color: @xtxColor;
          }
        }
      }
    }
  }
}
</style>